Suppose your average exam score for the first three exams is 80 and you receive a 92

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Suppose your average exam score for the first three exams is 80 and you receive a 92 on your fourth exam. What is your marginal score? What is your new average score? Why did your average go up?

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Essentials Of Economics

ISBN: 9780073511313

2nd Edition

Authors: Stanley L. Brue, Campbell R. McConnell, Sean M. Flynn

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